The mansion above the Northwestern Mining Company model greatly resembles the one seen in the Psycho movie series. In fact, you will see a part of the Bates Motel below it in yellow. Yes, it is patterned after the one in those three movies. When this picture was taken the mining tracks had not yet been extended outside and other details had yet to be added to this part of the layout. I have also since expanded the mine itself.
Here is a more up-to-date scene showing some additions made in the last few months: